:root{
  --bg:#0b0f17; --bg2:#0f1521; --panel:#121a28; --panel2:#16202f; --line:#1e2a3d;
  --text:#e8eef7; --muted:#8493a8; --muted2:#5f6f86;
  --brand:#6ea8fe; --brand2:#8b7dfb; --accent:#38e0c8; --ok:#3ad29f; --warn:#ffb454; --danger:#ff6b7d;
  --bubble-in:#182335; --bubble-out:linear-gradient(135deg,#3b6ef0,#6d5cf0);
  --shadow:0 12px 40px rgba(0,0,0,.45); --radius:16px;
  --grad:linear-gradient(135deg,var(--brand),var(--brand2));
}
:root[data-theme="light"]{
  --bg:#eef2f8; --bg2:#e7ecf4; --panel:#ffffff; --panel2:#f4f7fb; --line:#e2e8f1;
  --text:#0e1726; --muted:#5b6b82; --muted2:#8695ab;
  --bubble-in:#eef2f8; --bubble-out:linear-gradient(135deg,#3b6ef0,#6d5cf0);
  --shadow:0 12px 40px rgba(30,50,90,.14);
}
*{box-sizing:border-box}
html,body{height:100%;margin:0}
body{min-height:100svh}
/* consistent dark form controls everywhere (fixes white inputs in modals) */
input[type="text"],input[type="search"],input[type="file"],input:not([type]),select,textarea{
  background:var(--bg2);border:1px solid var(--line);color:var(--text);border-radius:12px;
  padding:12px 14px;font-size:15px;outline:none;font-family:inherit;transition:border .15s,box-shadow .15s;-webkit-appearance:none;appearance:none}
input:focus,select:focus,textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(110,168,254,.18)}
input::placeholder{color:var(--muted2)}
select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath fill='%238493a8' d='M0 0l5 6 5-6z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:30px}
body{
  font-family:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:radial-gradient(1200px 800px at 80% -10%,rgba(110,168,254,.10),transparent 60%),
             radial-gradient(1000px 700px at -10% 110%,rgba(139,125,251,.10),transparent 60%),var(--bg);
  color:var(--text); -webkit-font-smoothing:antialiased; overflow:hidden;
}
.hidden{display:none !important}
.mono{font-family:"SF Mono",ui-monospace,"Cascadia Code",Consolas,monospace}
.muted{color:var(--muted)}
.err{color:var(--danger);font-size:13px;min-height:16px;margin-top:6px}
a{color:var(--brand);text-decoration:none}
button{font-family:inherit}

/* ---------- onboarding ---------- */
.onboarding{position:fixed;inset:0;display:grid;place-items:center;padding:24px;z-index:20}
.onboard-glow{position:absolute;inset:0;z-index:-1;
  background:radial-gradient(600px 400px at 50% 30%,rgba(139,125,251,.18),transparent 70%)}
.onboard-card{width:min(460px,100%);background:linear-gradient(180deg,var(--panel),var(--panel2));
  border:1px solid var(--line);border-radius:24px;padding:38px 34px;box-shadow:var(--shadow)}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;letter-spacing:.3px}
.brand .logo{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-size:26px}
.onboard-card h1{font-size:30px;margin:22px 0 8px;letter-spacing:-.5px}
.onboard-card .sub{color:var(--muted);line-height:1.55;margin:0 0 22px;font-size:15px}
.field{display:block;margin-bottom:18px}
.field span{display:block;font-size:12px;color:var(--muted);margin-bottom:7px;text-transform:uppercase;letter-spacing:.6px}
.field input,#add-name,.search input,.composer input{width:100%;background:var(--bg2);border:1px solid var(--line);
  color:var(--text);border-radius:12px;padding:14px 14px;font-size:15px;outline:none;transition:border .15s,box-shadow .15s}
.field input:focus,#add-name:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(110,168,254,.18)}
.onboard-foot{display:flex;gap:16px;justify-content:center;margin-top:20px;font-size:12px;color:var(--muted2)}
.dot{width:8px;height:8px;border-radius:50%;display:inline-block;background:var(--muted2);vertical-align:middle;margin-right:5px}
.dot.ok{background:var(--ok);box-shadow:0 0 8px rgba(58,210,159,.7)}

/* ---------- buttons ---------- */
.btn{border:1px solid var(--line);background:var(--panel2);color:var(--text);border-radius:12px;
  padding:11px 18px;font-size:14px;font-weight:600;cursor:pointer;transition:transform .08s,filter .15s,background .15s}
.btn:hover{filter:brightness(1.08)}.btn:active{transform:translateY(1px)}
.btn.primary{background:var(--grad);border:none;color:#fff;box-shadow:0 8px 24px rgba(90,110,240,.35)}
.btn.ghost{background:transparent}
.btn.big{width:100%;padding:15px;font-size:15px;margin-top:6px}
.btn.small{padding:8px 14px;font-size:13px}
.btn.tiny{padding:6px 13px;font-size:12.5px;border-radius:9px}
/* first-contact handshake: request rows + banner */
.chat-item.request .req-tag{font-size:11px;color:var(--accent);font-weight:600}
.chat-item.request .req-actions{display:flex;gap:8px;margin-top:7px}
.chat-banner{margin:0 12px 8px;padding:12px 14px;border-radius:14px;background:var(--panel2);
  border:1px solid var(--line);display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.chat-banner .cb-text{flex:1;min-width:180px;font-size:13px;color:var(--text);line-height:1.45}
.chat-banner .cb-actions{display:flex;gap:8px}
.chat-banner.request{border-color:color-mix(in srgb,var(--accent) 45%,var(--line))}
.chat-banner.waiting{opacity:.92}
.chat-banner.declined{border-color:#c8443a55}
.chat-banner.keychange{border-color:#e5687a;background:color-mix(in srgb,#e5687a 12%,var(--panel2))}
/* on-device scam warning under a flagged message */
.scam-warn{margin-top:6px;padding:7px 10px;border-radius:9px;background:color-mix(in srgb,#e5687a 15%,transparent);
  border:1px solid #e5687a66;color:#f0a0ac;font-size:11.5px;line-height:1.4;font-weight:600;max-width:280px}
.msg.out .scam-warn{display:none}
.icon-btn{width:38px;height:38px;border-radius:11px;border:1px solid var(--line);background:var(--panel2);
  color:var(--text);font-size:18px;cursor:pointer;display:grid;place-items:center;transition:background .15s}
.icon-btn:hover{background:var(--panel)}

/* ---------- app layout ---------- */
.app{position:fixed;inset:0;display:grid;grid-template-columns:340px 1fr}
.sidebar{background:linear-gradient(180deg,var(--panel),var(--bg2));border-right:1px solid var(--line);
  display:flex;flex-direction:column;min-width:0}
.side-head{display:flex;align-items:center;justify-content:space-between;padding:calc(16px + env(safe-area-inset-top)) 16px 12px;gap:10px}
.chat-empty{margin:auto;text-align:center;padding:40px 30px;color:var(--muted)}
.chat-empty .ce-icon{font-size:44px;margin-bottom:14px;opacity:.5}
.chat-empty h4{margin:0 0 6px;color:var(--text);font-size:16px}
.chat-empty p{margin:0 0 18px;font-size:13.5px;line-height:1.5}
.me{display:flex;align-items:center;gap:11px;min-width:0}
.me-info{min-width:0}
.me-name{font-weight:700;font-size:15px}
.me-fp{font-size:11px;color:var(--muted2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:150px}
.side-actions{display:flex;gap:8px}
.avatar{width:44px;height:44px;border-radius:14px;flex:0 0 auto;display:grid;place-items:center;
  font-weight:800;color:#fff;font-size:17px;box-shadow:inset 0 0 0 1px rgba(255,255,255,.12)}
.search{padding:6px 16px 12px}
.folder-bar{display:flex;gap:6px;padding:0 14px 10px;overflow-x:auto;scrollbar-width:none}
.folder-bar::-webkit-scrollbar{display:none}
.folder-bar .folder-tab{flex:none;background:var(--panel2);border:1px solid var(--line);color:var(--muted);
  border-radius:16px;padding:6px 14px;font-size:13px;font-weight:600;cursor:pointer;white-space:nowrap;transition:.12s}
.folder-bar .folder-tab.active{background:color-mix(in srgb,var(--accent) 16%,var(--panel2));color:var(--accent);border-color:color-mix(in srgb,var(--accent) 40%,var(--line))}
.chat-item.self .avatar{background:linear-gradient(135deg,var(--accent),color-mix(in srgb,var(--accent) 40%,#22d3a5))!important}
.chat-list{flex:1;overflow-y:auto;padding:4px 8px}
.chat-item{display:flex;align-items:center;gap:12px;padding:11px 10px;border-radius:14px;cursor:pointer;
  transition:background .12s;position:relative}
.chat-item:hover{background:var(--panel2)}
.chat-item.active{background:var(--panel2)}
.chat-item.active::before{content:"";position:absolute;left:-8px;top:14px;bottom:14px;width:3px;border-radius:3px;background:var(--grad)}
.ci-main{flex:1;min-width:0}
.ci-top{display:flex;justify-content:space-between;align-items:baseline;gap:8px}
.ci-name{font-weight:650;font-size:14.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ci-time{font-size:11px;color:var(--muted2);flex:0 0 auto}
.ci-preview{font-size:13px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:2px}
.badge{background:var(--grad);color:#fff;font-size:11px;font-weight:700;min-width:19px;height:19px;border-radius:10px;
  display:grid;place-items:center;padding:0 5px}
/* online badge: clean cutout in the bottom-right corner of the 44px avatar (row padding 11/10) */
.presence{position:absolute;left:41px;top:42px;width:11px;height:11px;border-radius:50%;border:2.5px solid var(--bg2);background:var(--muted2)}
.presence.online{background:var(--ok);box-shadow:0 0 6px rgba(58,210,159,.6)}
.side-foot{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}
.pill{display:inline-flex;align-items:center;gap:2px}

/* ---------- conversation ---------- */
.conversation{position:relative;min-width:0;display:flex;flex-direction:column;
  background:linear-gradient(180deg,var(--bg),var(--bg2))}
.empty-state{margin:auto;text-align:center;max-width:360px;padding:24px}
.empty-badge{width:76px;height:76px;border-radius:24px;background:var(--grad);display:grid;place-items:center;
  font-size:34px;color:#fff;margin:0 auto 18px;box-shadow:var(--shadow)}
.empty-state h2{margin:0 0 8px}.empty-state p{color:var(--muted);line-height:1.5}
.chat{flex:1;display:flex;flex-direction:column;min-height:0;position:relative}
.chat-head{display:flex;align-items:center;gap:10px;padding:10px 12px;border-bottom:1px solid var(--line);
  background:rgba(18,26,40,.6);backdrop-filter:blur(12px)}
:root[data-theme="light"] .chat-head{background:rgba(255,255,255,.65)}
.peer-tap{flex:1;min-width:0;display:flex;align-items:center;gap:11px;background:none;border:none;padding:4px 6px;
  margin:-4px -6px;border-radius:12px;cursor:pointer;color:inherit;text-align:left;transition:background .15s}
.peer-tap:hover{background:var(--panel2)}
.peer-tap:active{background:var(--panel)}
.peer-tap .avatar{flex:none}
.peer-info{flex:1;min-width:0}
.peer-name-row{display:flex;align-items:center;gap:5px;min-width:0}
.peer-name{font-weight:700;font-size:16px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.peer-lock{display:inline-flex;flex:none;color:var(--muted)}
.peer-lock .ic{width:13px;height:13px}
.peer-lock.verified{color:var(--ok)}
.peer-lock.unbreakable{color:var(--accent)}
.peer-status{font-size:12.5px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.peer-status.online{color:var(--ok)}
.chat-head-actions{display:flex;align-items:center;gap:4px;flex:none}
.chat-head-actions .icon-btn{width:40px;height:40px}
.icon-btn.active{color:var(--accent);border-color:color-mix(in srgb,var(--accent) 45%,var(--line));background:color-mix(in srgb,var(--accent) 12%,transparent)}
.e2e-note{max-width:min(86%,440px);margin:14px auto 10px;padding:9px 14px;border-radius:12px;
  background:color-mix(in srgb,var(--accent) 9%,var(--panel2));border:1px solid color-mix(in srgb,var(--accent) 18%,var(--line));
  color:var(--muted);font-size:12px;line-height:1.45;text-align:center;display:flex;align-items:center;gap:7px;justify-content:center}
.e2e-note .ic{width:13px;height:13px;color:var(--accent);flex:none}
.e2e-note .e2e-verify{color:var(--accent);cursor:pointer;font-weight:600}
.e2e-note .e2e-verify:hover{text-decoration:underline}
/* scroll-to-bottom button + new-message badge */
.scroll-bottom{position:absolute;right:14px;bottom:84px;width:44px;height:44px;border-radius:50%;
  background:var(--panel);border:1px solid var(--line);color:var(--text);display:grid;place-items:center;
  cursor:pointer;box-shadow:0 6px 20px rgba(0,0,0,.35);z-index:5;transition:opacity .15s,transform .15s}
.scroll-bottom.hidden{opacity:0;pointer-events:none;transform:translateY(8px)}
.scroll-bottom .sb-badge{position:absolute;top:-6px;right:-4px;min-width:20px;height:20px;padding:0 5px;border-radius:11px;
  background:var(--grad);color:#fff;font-size:11px;font-weight:700;display:grid;place-items:center}
.scroll-bottom .sb-badge.hidden{display:none}
/* swipe-to-reply: reply arrow revealed behind the bubble */
.msg{position:relative}
.msg.swipe-reply::before{content:"↩";position:absolute;left:-30px;top:50%;transform:translateY(-50%);
  color:var(--accent);font-size:18px;font-weight:700;opacity:.9}
/* app lock */
.lock-screen{position:fixed;inset:0;z-index:200;background:var(--bg);display:grid;place-items:center;
  padding:24px;padding-bottom:calc(24px + env(safe-area-inset-bottom))}
.lock-inner{width:100%;max-width:320px;display:flex;flex-direction:column;align-items:center;gap:18px}
.lock-logo{width:60px;height:60px;border-radius:18px;background:var(--grad);display:grid;place-items:center;
  font-size:30px;color:#fff;box-shadow:0 10px 30px rgba(90,110,240,.4)}
.lock-title{font-size:18px;font-weight:700}
.lock-dots{display:flex;gap:16px;height:18px}
.lock-dots .ld{width:15px;height:15px;border-radius:50%;border:2px solid var(--muted);transition:.15s}
.lock-dots .ld.on{background:var(--accent);border-color:var(--accent)}
.lock-dots.shake{animation:shake .4s}
@keyframes shake{0%,100%{transform:translateX(0)}20%,60%{transform:translateX(-8px)}40%,80%{transform:translateX(8px)}}
.lock-err{min-height:18px;color:#e5687a;font-size:13px;font-weight:600}
.keypad{display:grid;grid-template-columns:repeat(3,72px);gap:16px;justify-content:center;width:100%}
.keypad .kp{width:72px;height:72px;border-radius:50%;border:1px solid var(--line);background:var(--panel2);color:var(--text);
  font-size:25px;font-weight:600;cursor:pointer;display:grid;place-items:center;transition:background .12s,transform .06s}
.keypad .kp:active{background:var(--panel);transform:scale(.94)}
.keypad .kp-blank{visibility:hidden}
.lock-cancel{background:none;border:none;color:var(--accent);font-size:14px;cursor:pointer;padding:8px 16px}
.chip{display:inline-flex;align-items:center;gap:6px;background:var(--panel2);border:1px solid var(--line);
  color:var(--muted);border-radius:20px;padding:7px 13px;font-size:12.5px;font-weight:600;cursor:pointer}
.chip.verified{color:var(--ok);border-color:rgba(58,210,159,.4)}
.lock{font-size:12px}

.messages{flex:1;overflow-y:auto;padding:22px 18px 8px;display:flex;flex-direction:column;gap:3px}
.day-sep{align-self:center;font-size:11px;color:var(--muted2);background:var(--panel2);padding:4px 12px;border-radius:12px;margin:12px 0;
  position:sticky;top:6px;z-index:3;backdrop-filter:blur(6px)}
.unread-sep{align-self:stretch;text-align:center;font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  color:var(--accent);margin:10px 0 4px;position:relative}
.unread-sep::before,.unread-sep::after{content:"";position:absolute;top:50%;width:32%;height:1px;background:color-mix(in srgb,var(--accent) 45%,transparent)}
.unread-sep::before{left:2%}.unread-sep::after{right:2%}
.load-earlier{align-self:center;background:var(--panel2);border:1px solid var(--line);color:var(--muted);border-radius:16px;
  padding:7px 16px;font-size:12.5px;cursor:pointer;margin:6px 0 10px}
.load-earlier:hover{color:var(--text)}
.info-body{white-space:pre-wrap;font-size:14px;line-height:1.6;color:var(--text);max-height:52vh;overflow-y:auto;
  background:var(--panel2);border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin:4px 0}
.msg{max-width:min(560px,72%);padding:9px 13px;border-radius:16px;font-size:14.5px;line-height:1.4;
  position:relative;word-wrap:break-word;animation:pop .18s ease}
@keyframes pop{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.msg.in{align-self:flex-start;background:var(--bubble-in);border-bottom-left-radius:5px}
.msg.out{align-self:flex-end;background:var(--bubble-out);color:#fff;border-bottom-right-radius:5px}
.msg.same-in{border-top-left-radius:6px}.msg.same-out{border-top-right-radius:6px}
.msg .meta{display:block;font-size:10.5px;margin-top:4px;opacity:.7;text-align:right}
.msg.out .meta{color:rgba(255,255,255,.85)}
.tick{margin-left:3px}.tick.read{color:#7fe9ff}
.typing{align-self:flex-start;display:flex;gap:4px;padding:12px 16px;margin:0 18px 8px}
.typing span{width:7px;height:7px;border-radius:50%;background:var(--muted);animation:blink 1.3s infinite}
.typing span:nth-child(2){animation-delay:.2s}.typing span:nth-child(3){animation-delay:.4s}
@keyframes blink{0%,60%,100%{opacity:.3;transform:translateY(0)}30%{opacity:1;transform:translateY(-4px)}}

.composer{display:flex;gap:8px;padding:12px 14px calc(12px + env(safe-area-inset-bottom));border-top:1px solid var(--line);align-items:center;
  background:rgba(18,26,40,.5);backdrop-filter:blur(10px)}
:root[data-theme="light"] .composer{background:rgba(255,255,255,.6)}
.composer input{border-radius:22px}
.send-btn{width:46px;height:46px;flex:0 0 auto;border:none;border-radius:50%;background:var(--grad);color:#fff;
  font-size:18px;cursor:pointer;display:grid;place-items:center;box-shadow:0 6px 18px rgba(90,110,240,.4);transition:transform .1s}
.send-btn:active{transform:scale(.92)}

/* ---------- modals ---------- */
.modal{position:fixed;inset:0;background:rgba(4,7,12,.6);backdrop-filter:blur(6px);display:grid;place-items:center;z-index:30;
  animation:fade .15s ease}
@keyframes fade{from{opacity:0}to{opacity:1}}
.modal-card{width:min(420px,92vw);max-height:90vh;overflow-y:auto;background:linear-gradient(180deg,var(--panel),var(--panel2));border:1px solid var(--line);
  border-radius:20px;padding:26px;box-shadow:var(--shadow);animation:pop .18s ease}
.modal-card h3{margin:0 0 6px;font-size:19px}
.modal-card p{margin:0 0 16px}
.modal-card input{margin-top:6px}
.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:18px}
.sec-tier{background:linear-gradient(135deg,rgba(58,210,159,.14),rgba(110,168,254,.12));border:1px solid rgba(58,210,159,.3);
  border-radius:14px;padding:12px 14px;font-weight:600;color:var(--ok);margin:6px 0 16px;display:flex;align-items:center;gap:8px}
.sec-row{display:flex;justify-content:space-between;align-items:baseline;gap:16px;padding:10px 2px;border-bottom:1px solid var(--line);font-size:14px}
.sec-row span{color:var(--muted);flex:none}.sec-row b{text-align:right}.sec-row b.ok{color:var(--ok)}
.safety{margin:18px 0 6px;text-align:center}
.safety-title{font-size:12px;color:var(--muted);margin-bottom:10px}
.safety-num{font-size:16px;letter-spacing:2px;line-height:1.9;background:var(--bg2);border:1px solid var(--line);
  border-radius:12px;padding:14px;word-break:break-all}
.sec-note{font-size:12.5px;color:var(--muted2);line-height:1.5;margin-top:14px}

/* ---------- composer extras ---------- */
.comp-btn{width:40px;height:40px;flex:0 0 auto;border:none;border-radius:50%;background:transparent;color:var(--muted);
  font-size:19px;cursor:pointer;display:grid;place-items:center;transition:background .15s,color .15s}
.comp-btn:hover{background:var(--panel2);color:var(--text)}
.comp-btn.recording{background:var(--danger);color:#fff;animation:pulse 1s infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(255,107,125,.5)}50%{box-shadow:0 0 0 8px rgba(255,107,125,0)}}
.rec-indicator{display:flex;align-items:center;gap:8px;padding:8px 18px;color:var(--danger);font-size:13px;font-weight:600}
.rec-dot{width:10px;height:10px;border-radius:50%;background:var(--danger);animation:pulse 1s infinite}
.reply-bar{display:flex;align-items:center;gap:10px;padding:8px 14px 8px 18px;border-top:1px solid var(--line);background:var(--panel2)}
.reply-bar-main{flex:1;min-width:0;border-left:3px solid var(--brand);padding-left:10px}
.reply-bar-label{display:block;font-size:11px;color:var(--brand);font-weight:700}
#reply-bar-text{font-size:13px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:block}
/* rich emoji + sticker picker */
.emoji-panel{display:flex;flex-direction:column;max-height:44vh;border-top:1px solid var(--line);background:var(--panel2)}
.emoji-panel .ep-top{display:flex;gap:8px;padding:10px 12px 6px;align-items:center;flex:none}
.emoji-panel #ep-search{flex:1;background:var(--bg2);border:1px solid var(--line);color:var(--text);border-radius:20px;padding:9px 14px;font-size:14px}
.emoji-panel .ep-tab-btn{background:var(--bg2);border:1px solid var(--line);border-radius:12px;width:40px;height:40px;font-size:20px;cursor:pointer}
.emoji-panel .ep-tabs{display:flex;gap:2px;padding:2px 8px 4px;overflow-x:auto;flex:none;align-items:center}
.emoji-panel .ep-tab{background:none;border:none;font-size:20px;line-height:1;padding:7px 9px;border-radius:10px;cursor:pointer;opacity:.6;transition:.12s;flex:none}
.emoji-panel .ep-tab.active{opacity:1;background:var(--panel)}
.emoji-panel .ep-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(42px,1fr));gap:2px;overflow-y:auto;padding:6px 12px 12px;min-height:120px}
.emoji-panel .ep-grid.stickers{grid-template-columns:repeat(auto-fill,minmax(66px,1fr));gap:6px}
.emoji-panel .ep-e{background:none;border:none;font-size:25px;cursor:pointer;padding:5px;border-radius:8px;transition:background .1s}
.emoji-panel .ep-e:hover{background:var(--panel)}
.emoji-panel .ep-sticker{background:var(--bg2);border:1px solid var(--line);font-size:40px;cursor:pointer;padding:8px;border-radius:14px;aspect-ratio:1;transition:transform .1s}
.emoji-panel .ep-sticker:active{transform:scale(.9)}
.emoji-panel .ep-none{grid-column:1/-1;text-align:center;color:var(--muted);padding:24px;font-size:13px}
/* jumbo emoji-only messages */
.msg.jumbo{background:none!important;border:none!important;box-shadow:none!important;padding:2px 6px!important;font-size:52px;line-height:1.1}
.msg.jumbo .meta{font-size:11px}
/* screen effects */
.fx-canvas{position:fixed;inset:0;z-index:150;pointer-events:none}
.gallery-card{max-width:min(94vw,600px)}
.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;max-height:62vh;overflow-y:auto;margin:10px 0}
.gthumb{aspect-ratio:1;background:var(--panel2);background-size:cover;background-position:center;border-radius:10px;cursor:pointer;transition:transform .1s}
.gthumb:active{transform:scale(.95)}
.gallery-empty{grid-column:1/-1;text-align:center;color:var(--muted);padding:34px 10px;font-size:13px}
.big-emoji-burst{position:fixed;inset:0;display:grid;place-items:center;z-index:151;pointer-events:none;
  font-size:min(45vw,320px);line-height:1;filter:drop-shadow(0 10px 40px rgba(0,0,0,.5));animation:bigEmoji 1.4s cubic-bezier(.2,.9,.3,1) forwards}
@keyframes bigEmoji{0%{transform:scale(.2) rotate(-8deg);opacity:0}18%{transform:scale(1) rotate(0);opacity:1}62%{transform:scale(1.05);opacity:1}100%{transform:scale(1.5);opacity:0}}
/* nudge shake */
@keyframes nudge{0%,100%{transform:translate(0,0)}10%{transform:translate(-8px,4px)}20%{transform:translate(8px,-4px)}30%{transform:translate(-10px,-2px)}40%{transform:translate(10px,3px)}50%{transform:translate(-7px,5px)}60%{transform:translate(7px,-5px)}70%{transform:translate(-5px,2px)}80%{transform:translate(5px,-2px)}90%{transform:translate(-3px,1px)}}
.nudge-shake{animation:nudge .6s}
/* attach + effect popup menus */
.attach-menu,.effect-menu{position:fixed;z-index:90;background:var(--panel);border:1px solid var(--line);border-radius:16px;
  padding:6px;box-shadow:0 12px 34px rgba(0,0,0,.45);display:flex;flex-direction:column;gap:2px;min-width:170px}
.attach-menu .am-item,.effect-menu .em-item{display:flex;align-items:center;gap:11px;background:none;border:none;color:var(--text);
  padding:11px 14px;border-radius:11px;font-size:14.5px;cursor:pointer;text-align:left}
.attach-menu .am-item:hover,.effect-menu .em-item:hover{background:var(--panel2)}
.attach-menu .am-ico{font-size:19px;width:24px;text-align:center}
/* doodle */
.doodle-card{max-width:min(94vw,640px)}
.doodle-canvas{width:100%;aspect-ratio:600/440;background:#fff;border-radius:12px;border:1px solid var(--line);touch-action:none;cursor:crosshair}
.doodle-colors{display:flex;gap:10px;margin:12px 0 4px;flex-wrap:wrap}
.doodle-colors .dcol{width:30px;height:30px;border-radius:50%;border:2px solid var(--line);cursor:pointer;transition:transform .1s}
.doodle-colors .dcol.sel{transform:scale(1.18);border-color:var(--accent);box-shadow:0 0 0 2px var(--accent)}
/* camera */
.camera-card{max-width:min(94vw,560px)}
.camera-video{width:100%;aspect-ratio:3/4;max-height:56vh;object-fit:cover;background:#000;border-radius:14px;border:1px solid var(--line)}
.viewonce-toggle{display:flex;align-items:center;gap:10px;margin:12px 2px 2px;font-size:13.5px;color:var(--muted);cursor:pointer}
.viewonce-toggle input{opacity:0;width:0;height:0;position:absolute}
.viewonce-toggle .track{position:relative;width:40px;height:24px;background:var(--line);border-radius:24px;transition:.2s;flex:none}
.viewonce-toggle .track::before{content:"";position:absolute;height:18px;width:18px;left:3px;top:3px;background:#fff;border-radius:50%;transition:.2s}
.viewonce-toggle input:checked+.track{background:var(--accent)}
.viewonce-toggle input:checked+.track::before{transform:translateX(16px)}
.media-wrap.viewonce{cursor:pointer}
.media-wrap.viewonce .vo-open{display:flex;flex-direction:column;gap:2px;padding:26px 22px;align-items:center;justify-content:center;
  color:var(--accent);font-weight:650;font-size:15px;background:color-mix(in srgb,var(--accent) 12%,var(--panel2));border-radius:12px;text-align:center}
.media-wrap.viewonce .vo-open small{color:var(--muted);font-weight:400;font-size:11.5px}
.viewonce-spent{padding:12px 16px;color:var(--muted);font-size:13px;font-style:italic;background:var(--panel2);border-radius:12px}
.effect-menu .em-sched{border-top:1px solid var(--line);margin-top:2px;padding-top:11px}
/* Verified Real badge on images */
.media-wrap{position:relative}
.real-badge{position:absolute;top:8px;left:8px;font-size:11px;font-weight:700;padding:4px 9px;border-radius:20px;
  backdrop-filter:blur(6px);letter-spacing:.01em;cursor:help;box-shadow:0 2px 8px rgba(0,0,0,.3)}
.real-badge.real{background:rgba(34,211,165,.9);color:#04140f}
.real-badge.altered{background:rgba(229,104,122,.92);color:#fff}
.real-badge.unverified{background:rgba(20,26,40,.72);color:#c9cfdb;font-weight:600}
.attach-menu .am-tag{margin-left:auto;font-size:10px;font-weight:700;color:#22d3a5;background:rgba(34,211,165,.14);padding:2px 7px;border-radius:10px}
/* build integrity banner (About) */
.about-integrity{padding:10px 13px;border-radius:11px;font-size:12.5px;line-height:1.45;margin:0 0 12px;border:1px solid var(--line)}
.about-integrity.ok{background:color-mix(in srgb,#22d3a5 12%,transparent);border-color:#22d3a566;color:#8ef0d3}
.about-integrity.fail{background:color-mix(in srgb,#e5687a 15%,transparent);border-color:#e5687a;color:#f2b0ba}
.about-integrity.checking,.about-integrity.unknown{color:var(--muted)}
/* smart-input suggestion bar */
.suggest-bar{display:flex;gap:8px;overflow-x:auto;padding:8px 12px;scrollbar-width:none}
.suggest-bar::-webkit-scrollbar{display:none}
.suggest-bar .sug{flex:none;background:var(--panel2);border:1px solid var(--line);color:var(--text);
  border-radius:18px;padding:8px 15px;font-size:14px;cursor:pointer;white-space:nowrap;transition:background .12s}
.suggest-bar .sug:hover{background:var(--panel);border-color:color-mix(in srgb,var(--accent) 40%,var(--line))}
.suggest-bar .sug:active{transform:scale(.96)}
/* spoiler text */
.spoiler{background:var(--muted);color:transparent;border-radius:5px;padding:0 3px;cursor:pointer;
  filter:blur(0.3px);transition:.15s;user-select:none}
.spoiler::selection{background:transparent}
.spoiler.revealed{background:color-mix(in srgb,var(--muted) 25%,transparent);color:inherit;filter:none;user-select:auto}

/* ---------- media messages ---------- */
.msg.media-img{padding:4px;overflow:hidden}
.media-wrap{border-radius:12px;overflow:hidden;min-width:180px;min-height:120px;display:grid;place-items:center;background:var(--bg2)}
.media-wrap img{max-width:280px;max-height:340px;display:block;cursor:pointer;border-radius:12px}
.media-loading{font-size:34px;opacity:.4}
.voice-note{display:flex;align-items:center;gap:10px;min-width:180px}
.voice-play{width:36px;height:36px;border-radius:50%;border:none;background:rgba(255,255,255,.2);color:#fff;font-size:15px;cursor:pointer;flex:0 0 auto}
.msg.in .voice-play{background:var(--brand);color:#fff}
.voice-wave{flex:1;height:24px;border-radius:12px;background:repeating-linear-gradient(90deg,currentColor 0 2px,transparent 2px 5px);opacity:.4}
.voice-dur{font-size:12px;opacity:.8}
.file-card{display:flex;align-items:center;gap:11px;min-width:200px}
.file-ico{width:40px;height:40px;border-radius:10px;background:rgba(255,255,255,.15);display:grid;place-items:center;font-size:19px;flex:0 0 auto}
.msg.in .file-ico{background:var(--panel)}
.file-meta{flex:1;min-width:0}.file-name{font-size:13.5px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.file-size{font-size:11.5px;opacity:.7}
.file-dl{width:34px;height:34px;border-radius:9px;border:none;background:rgba(255,255,255,.15);color:inherit;cursor:pointer;font-size:15px}
.msg.in .file-dl{background:var(--panel)}

/* ---------- reactions / quote / edited / deleted ---------- */
/* reactions overhang the bubble's bottom edge (standard messenger look) instead of sitting inside it */
.reactions{position:absolute;bottom:-11px;display:flex;gap:3px;z-index:1}
.msg.in .reactions{left:8px}
.msg.out .reactions{right:8px}
.msg:has(.reactions){margin-bottom:13px}
.reaction{background:var(--panel2);border:1px solid var(--line);border-radius:11px;padding:1px 6px;font-size:12.5px;line-height:1.5;box-shadow:0 1px 4px rgba(0,0,0,.25)}
.msg.out .reaction{background:var(--panel2);border-color:var(--line);color:var(--text)}
.quote{border-left:3px solid rgba(255,255,255,.5);padding:3px 8px;margin-bottom:5px;font-size:12.5px;opacity:.8;
  background:rgba(255,255,255,.1);border-radius:6px}
.msg.in .quote{border-left-color:var(--brand);background:var(--panel)}
.edited{font-size:10px;opacity:.6;margin-right:5px;font-style:italic}
.deleted{opacity:.6;font-style:italic}

/* ---------- message menu ---------- */
.msg-menu{position:fixed;z-index:40;background:var(--panel);border:1px solid var(--line);border-radius:14px;
  box-shadow:var(--shadow);padding:6px;min-width:170px;animation:pop .12s ease}
.msg-menu .quick-react{display:flex;gap:2px;padding:4px;border-bottom:1px solid var(--line);margin-bottom:4px}
.msg-menu .qr{flex:1;background:none;border:none;font-size:21px;cursor:pointer;padding:5px;border-radius:8px}
.msg-menu .qr:hover{background:var(--panel2)}
.msg-menu .mi{display:block;width:100%;text-align:left;background:none;border:none;color:var(--text);
  font-size:14px;padding:9px 12px;border-radius:9px;cursor:pointer}
.msg-menu .mi:hover{background:var(--panel2)}

/* ---------- lightbox / toast ---------- */
.lightbox{position:fixed;inset:0;background:rgba(0,0,0,.9);display:grid;place-items:center;z-index:50;padding:24px;cursor:zoom-out}
.lightbox img{max-width:96vw;max-height:92vh;border-radius:8px}
#toast{position:fixed;left:50%;bottom:calc(96px + env(safe-area-inset-bottom));transform:translate(-50%,12px);
  opacity:0;pointer-events:none;background:var(--panel);border:1px solid var(--line);
  color:var(--text);padding:11px 18px;border-radius:14px;box-shadow:var(--shadow);z-index:80;font-size:13.5px;line-height:1.4;
  max-width:min(88vw,420px);text-align:center;transition:opacity .2s ease,transform .2s ease}
#toast.show{opacity:1;transform:translate(-50%,0);pointer-events:auto;cursor:pointer}

/* ---------- timer chip / settings ---------- */
.chip.chip-on{color:var(--accent);border-color:rgba(56,224,200,.4)}
.settings-profile{display:flex;align-items:center;gap:16px;margin-bottom:16px}
.big-avatar{width:64px;height:64px;font-size:26px}
.settings-avatar-pick{flex:1}
.avatar-input{width:80px !important;text-align:center;font-size:22px}
.mini-label{display:block;font-size:11px;color:var(--muted);margin:12px 0 5px;text-transform:uppercase;letter-spacing:.5px}
#modal-settings input:not(.avatar-input){width:100%}
.set-row{display:flex;align-items:center;justify-content:space-between;padding:12px 0;border-bottom:1px solid var(--line);font-size:14px}
.mini-select{background:var(--bg2);border:1px solid var(--line);color:var(--text);border-radius:9px;padding:7px 10px;font-size:13px}
.set-section{margin:16px 0 2px;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-weight:700}
.set-hint{font-size:11.5px;color:var(--muted);line-height:1.45;padding:2px 0 4px}
.linklike{display:block;width:100%;margin:12px 0 2px;background:none;border:none;color:var(--accent);
  font-size:13.5px;cursor:pointer;text-align:center}
.linklike:hover{text-decoration:underline}
.set-identity{margin:14px 0 4px;padding:12px 14px;border-radius:14px;background:var(--bg2);border:1px solid var(--line);cursor:pointer}
.set-id-row{display:flex;justify-content:space-between;gap:12px;font-size:13px;padding:3px 0}
.set-id-row .set-id-label{color:var(--muted)}
.set-id-row b{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:60%}
.set-id-hint{margin-top:6px;font-size:11.5px;color:var(--muted);line-height:1.4}
.switch{position:relative;display:inline-block;width:44px;height:26px;flex:none}
.switch input{opacity:0;width:0;height:0}
.switch .track{position:absolute;inset:0;background:var(--line);border-radius:26px;transition:.2s;cursor:pointer}
.switch .track::before{content:"";position:absolute;height:20px;width:20px;left:3px;top:3px;background:#fff;border-radius:50%;transition:.2s}
.switch input:checked+.track{background:var(--accent)}
.switch input:checked+.track::before{transform:translateX(18px)}

/* ---------- call overlay ---------- */
.call-overlay{position:fixed;inset:0;z-index:70;background:linear-gradient(180deg,#0d1424,#070a12);
  display:flex;flex-direction:column;align-items:center;justify-content:center}
.call-remote{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;background:#000;display:none}
.call-overlay.video[data-state="connected"] .call-remote{display:block}
.call-local{position:absolute;top:20px;right:20px;width:110px;height:150px;object-fit:cover;border-radius:14px;
  border:2px solid rgba(255,255,255,.2);background:#000;display:none;z-index:2}
.call-overlay.video .call-local{display:block}
.call-info{position:relative;z-index:1;text-align:center;color:#fff}
.call-overlay.video[data-state="connected"] .call-info{position:absolute;top:30px;left:0;right:0;text-shadow:0 2px 8px rgba(0,0,0,.6)}
.call-avatar-big{width:110px;height:110px;font-size:44px;margin:0 auto 20px;box-shadow:0 12px 40px rgba(0,0,0,.5)}
.call-overlay.video[data-state="connected"] .call-avatar-big{display:none}
.call-name{font-size:26px;font-weight:700}
.call-status{font-size:15px;color:var(--muted);margin-top:6px}
.call-overlay.video[data-state="connected"] .call-status{color:rgba(255,255,255,.85)}
.call-e2e{margin-top:18px;font-size:12px;color:var(--accent)}
.call-actions{position:absolute;bottom:48px;display:flex;gap:22px;z-index:3}
.call-btn{width:64px;height:64px;border-radius:50%;border:none;font-size:24px;cursor:pointer;color:#fff;
  display:grid;place-items:center;transition:transform .1s,filter .15s}
.call-btn:active{transform:scale(.9)}
.call-btn.accept{background:var(--ok)}
.call-btn.decline{background:var(--danger)}
.call-btn.ctrl{background:rgba(255,255,255,.15);backdrop-filter:blur(8px)}
.call-btn.ctrl.off{background:#fff;color:#111}

/* ---------- groups ---------- */
.msg-sender{display:block;font-size:12px;font-weight:700;margin-bottom:3px}
.group-members{max-height:240px;overflow-y:auto;margin-top:6px}
.member-row{display:flex;align-items:center;gap:10px;padding:9px 8px;border-radius:11px;cursor:pointer}
.member-row:hover{background:var(--panel2)}
.member-row input{width:18px;height:18px;accent-color:var(--brand)}
.avatar.sm{width:34px;height:34px;font-size:13px;border-radius:11px}

/* ---------- unbreakable book exchange + security tier ---------- */
.sec-tier-note{font-size:12.5px;color:var(--muted);line-height:1.5;margin:0 0 14px}
.book-tabs{display:flex;gap:6px;margin:8px 0 14px}
.book-tab{flex:1;background:var(--panel2);border:1px solid var(--line);color:var(--muted);border-radius:10px;padding:9px;font-size:13px;font-weight:600;cursor:pointer}
.book-tab.active{background:var(--grad);color:#fff;border-color:transparent}
.book-qr{display:grid;place-items:center;background:#fff;border-radius:14px;padding:14px;margin-top:6px}
.book-qr img{width:260px;height:260px;image-rendering:pixelated}
.book-row{display:flex;gap:10px;margin-top:14px;justify-content:center}
.book-scan{width:100%;max-width:280px;border-radius:14px;background:#000;margin:0 auto;display:block}

/* ========== custom icons + refined visual system ========== */
.ic{display:block;flex:0 0 auto;stroke:currentColor}
.icon-btn .ic{width:20px;height:20px}
.icon-btn.accent{color:var(--brand)}
.icon-btn{transition:background .15s,color .15s,transform .08s}
.icon-btn:active{transform:scale(.92)}
.chip{gap:6px;align-items:center}
.chip-ic{display:inline-flex}.chip-ic .ic{width:15px;height:15px}
.chip.chip-on .chip-ic{color:var(--accent)}

/* composer: pill field with inline emoji + morphing mic/send */
.composer{gap:7px}
.composer-field{flex:1;display:flex;align-items:center;background:var(--bg2);border:1px solid var(--line);
  border-radius:23px;padding:0 5px 0 6px;transition:border .15s,box-shadow .15s;min-width:0}
.composer-field:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(110,168,254,.15)}
.composer-field input{flex:1;min-width:0;background:none;border:none;padding:12px 6px;font-size:15px;color:var(--text);outline:none}
.comp-btn{width:42px;height:42px;flex:0 0 auto;border:none;border-radius:50%;background:transparent;color:var(--muted);
  cursor:pointer;display:grid;place-items:center;transition:background .15s,color .15s,transform .08s}
.comp-btn:hover{background:var(--panel2);color:var(--text)}.comp-btn:active{transform:scale(.9)}
.comp-btn .ic{width:23px;height:23px}
.inline-emoji{width:36px;height:36px}.inline-emoji .ic{width:22px;height:22px}
.send-btn{width:46px;height:46px;flex:0 0 auto;border:none;border-radius:50%;background:var(--grad);color:#fff;
  cursor:pointer;display:grid;place-items:center;box-shadow:0 6px 18px rgba(90,110,240,.4);transition:transform .12s,box-shadow .15s}
.send-btn:active{transform:scale(.9)}.send-btn .ic{width:21px;height:21px}
.send-btn.send{display:none}
.composer.has-text .send-btn.mic{display:none}
.composer.has-text .send-btn.send{display:grid}
.comp-btn.recording,.send-btn.mic.recording{background:var(--danger);color:#fff;box-shadow:0 0 0 0 rgba(255,107,125,.5);animation:pulse 1s infinite}

/* subtle chat backdrop (like a messenger wallpaper, very faint) */
.messages{background-image:radial-gradient(circle at 1px 1px, rgba(255,255,255,.022) 1px, transparent 0);background-size:24px 24px}
:root[data-theme="light"] .messages{background-image:radial-gradient(circle at 1px 1px, rgba(30,50,90,.03) 1px, transparent 0)}
.msg{box-shadow:0 1px 2px rgba(0,0,0,.14)}
.msg.out{box-shadow:0 2px 8px rgba(90,110,240,.28)}

/* message tick marks (double-check) */
.tick{display:inline-flex;align-items:center;margin-left:4px;vertical-align:middle}
.tick .ic{width:14px;height:14px;stroke-width:2.4}
.tick .ic:last-child{margin-left:-9px}
.tick.read{color:#7fe9ff}.tick.fail{color:#ffd0d0}

/* message action menu with icons */
.msg-menu .mi{display:flex;align-items:center;gap:11px}
.msg-menu .mi .ic{width:17px;height:17px;color:var(--muted)}

/* media control icons */
.voice-play .ic,.file-dl .ic{width:16px;height:16px}
.file-ico .ic{width:20px;height:20px;color:var(--text)}
.media-loading .ic{width:30px;height:30px;color:var(--muted2)}

/* ---------- responsive ---------- */
.only-mobile{display:none}
@media(max-width:760px){
  .app{grid-template-columns:1fr}
  .sidebar{position:absolute;inset:0;z-index:5}
  .conversation{position:absolute;inset:0;z-index:6;transform:translateX(100%);transition:transform .22s ease}
  .app.show-chat .conversation{transform:none}
  .only-mobile{display:grid}
  .msg{max-width:82%}
}
::-webkit-scrollbar{width:9px}::-webkit-scrollbar-thumb{background:var(--line);border-radius:8px}